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When to Plant Asparagus peas in Romeoville, IL

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Romeoville you can determine when it's the best time to plant asparagus peas by using the USDA zone info.


Planting Calendar for Asparagus peas

Frost tolerance for asparagus peas: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Asparagus peas can survive in some cold which means that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant asparagus peas
Possibly ok, but a risky time to plant asparagus peas
Probably not a good time to plant asparagus peas

The earliest that you can plant asparagus peas in Romeoville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant asparagus peas and expect a good harvest is probably September. If you wait any later than that and your asparagus peas may not have a chance to really do well. If you are starting your asparagus peas indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Romeoville. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Romeoville and it will vary from year to year. Half of the time in Romeoville you get surprised by a frost after April 15 so make sure that you are ready to cover your asparagus peas if you have a late frost.

USDA Zone Info for Romeoville

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Romeoville

You may be interested in your other planting guides for Romeoville.